Yes, it is Soundcloud Berlin. He indicates the source at the bottom of the article: https://www.flickr.com/photos/heisenbergmedia/8409314268/in/photostream/ htt

Yes, it is Soundcloud Berlin. He indicates the source at the bottom of the article: https://www.flickr.com/photos/heisenbergmedia/8409314268/in/photostream/ https://www.flickr.com/photos/heisenbergmedia/8409314268/in/...